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Low severityauthentication

Power BI Refresh Error:
AADSTS50120

What does this error mean?

Unknown credential type, issue with the JWT header. Contact the tenant admin.

Common causes

  • 1Authentication configuration issue
  • 2Token validation failure

How to fix it

  1. 1Step 1: Contact your Azure AD administrator to review and fix the configuration
  2. 2Step 2: Search for error code in Microsoft documentation for specific guidance

Frequently asked questions

What does AADSTS50120 mean?

Unknown credential type, issue with the JWT header. Contact the tenant admin.

How do I fix this error?

Check your application registration, token configuration, and user permissions in the Azure portal. Review Conditional Access policies if the error is policy-related.

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